According to Kohlrausch's law,what is the limiting molar conductivity of the electrolyte $A_2B$?
- A$2\lambda _{A^+}^\infty + \lambda _{B^{2-}}^\infty$
- B$\lambda _{A^+}^\infty + \lambda _{B^{2-}}^\infty$
- C$\lambda _{A^+}^\infty + 2\lambda _{B^{2-}}^\infty$
- D$2\lambda _{A^+}^\infty + 2\lambda _{B^{2-}}^\infty$
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The conductivity of an electrolytic solution decreases on dilution due to
The following figure shows the dependence of molar conductance of two electrolytes on concentration. $\Lambda_m^0$ is the limiting molar conductivity. The number of incorrect statement$(s)$ from the following is $...........$
$(A)$ $\Lambda_m^0$ for electrolyte $A$ is obtained by extrapolation.
$(B)$ For electrolyte $B$,the $\Lambda_m$ vs $\sqrt{c}$ graph is a straight line with an intercept equal to $\Lambda_m^0$.
$(C)$ At infinite dilution,the value of the degree of dissociation approaches zero for electrolyte $B$.
$(D)$ $\Lambda_m^0$ for any electrolyte $A$ or $B$ can be calculated using $\lambda^0$ for individual ions.
$(A)$ $\Lambda_m^0$ for electrolyte $A$ is obtained by extrapolation.
$(B)$ For electrolyte $B$,the $\Lambda_m$ vs $\sqrt{c}$ graph is a straight line with an intercept equal to $\Lambda_m^0$.
$(C)$ At infinite dilution,the value of the degree of dissociation approaches zero for electrolyte $B$.
$(D)$ $\Lambda_m^0$ for any electrolyte $A$ or $B$ can be calculated using $\lambda^0$ for individual ions.
Explain the measurement and calculation of the resistivity of an electrolytic solution.
Difficult
View SolutionThe distance between electrodes of a conductivity cell is $0.98 \ cm$ and area of cross section is $1.96 \ cm^{2}$. What is the cell constant (in $cm^{-1}$)?
What is the $SI$ unit of conductivity?
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